This function enables the user to measure the angle (in degrees) between two selected vectors.
After selecting the function, the INPUT COORDINATE dialog box is displayed. The user needs to define two vectors by selecting 3 points/nodes. eta/DYNAFORM displays the measurement of four angles in the message prompt window in the following format:
ANGLE=69.90, TOP: 72.49, SIDE: 3.41, REAR: 124.78